<template>
  <div>
    <el-radio-group v-model="direction">
      <el-radio label="ltr">从左往右开</el-radio>
      <el-radio label="rtl">从右往左开</el-radio>
      <el-radio label="ttb">从上往下开</el-radio>
      <el-radio label="btt">从下往上开</el-radio>
    </el-radio-group>

    <el-button @click="drawer = true" type="primary" style="margin-left: 16px;">
      点我打开
    </el-button>

    <el-drawer
      title="我是标题"
      :visible.sync="drawer"
      :direction="direction"
      :before-close="handleClose">
      <span>我来啦!</span>
    </el-drawer>
  </div>
</template>
<script>
    export default {
        data() {
            return {
                drawer: false,
                direction: 'rtl',
            };
        },
        methods: {
            handleClose(done) {
                this.$confirm('确认关闭？')
                    .then(_ => {
                        done();
                    })
                    .catch(_ => {
                    });
            }
        }
    };
</script>
